Add ns_handle_to_pathname acpi function to the acpi module.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33663 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/drivers/ACPI.h

@@ -209,6 +209,8 @@ struct acpi_module_info {
 					acpi_object_type **_returnValue);
 	status_t	(*get_object_typed)(const char *path,
 					acpi_object_type **_returnValue, uint32 objectType);
+	status_t	(*ns_handle_to_pathname)(acpi_handle targetHandle,
+					acpi_data *buffer);
 
 	/* Control method execution and data acquisition */
 

src/add-ons/kernel/bus_managers/acpi/acpi_busman.c

@@ -510,6 +510,14 @@ get_object_typed(const char* path, acpi_object_type** _returnValue,
 }
 
 
+status_t
+ns_handle_to_pathname(acpi_handle targetHandle, acpi_data *buffer)
+{
+	status_t status = AcpiNsHandleToPathname(targetHandle, buffer);
+	return status == AE_OK ? B_OK : B_ERROR;
+}
+
+
 status_t
 evaluate_object(const char* object, acpi_object_type* returnValue,
 	size_t bufferLength)
@@ -647,6 +655,7 @@ struct acpi_module_info gACPIModule = {
 	get_object_type,
 	get_object,
 	get_object_typed,
+	ns_handle_to_pathname,
 	evaluate_object,
 	evaluate_method,
 	prepare_sleep_state,

src/add-ons/kernel/bus_managers/acpi/acpi_module.c

@@ -216,6 +216,7 @@ static struct acpi_root_info sACPIRootModule = {
 	get_object_type,
 	get_object,
 	get_object_typed,
+	ns_handle_to_pathname,
 	evaluate_object,
 	evaluate_method,
 };

src/add-ons/kernel/bus_managers/acpi/acpi_priv.h

@@ -102,6 +102,8 @@ typedef struct acpi_root_info {
 					acpi_object_type **_returnValue);
 	status_t	(*get_object_typed)(const char *path,
 					acpi_object_type **_returnValue, uint32 objectType);
+	status_t	(*ns_handle_to_pathname)(acpi_handle targetHandle,
+					acpi_data *buffer);
 
 	/* Control method execution and data acquisition */
 
@@ -161,6 +163,7 @@ uint32 get_object_type(const char *path);
 status_t get_object(const char *path, acpi_object_type **return_value);
 status_t get_object_typed(const char *path, acpi_object_type **return_value,
 	uint32 object_type);
+status_t ns_handle_to_pathname(acpi_handle targetHandle, acpi_data *buffer);
 
 status_t evaluate_object(const char* object, acpi_object_type *returnValue,
 	size_t bufferLength);